#self.hotkey['node_tree_search_clear'] = QtWidgets.QShortcut(QtGui.QKeySequence("Ctrl+D"), self.uiList['node_tree'], None, None, QtCore.Qt.WidgetShortcut)
self.hotkey['node_tree_search_clear'] = QtWidgets.QShortcut(QtGui.QKeySequence("Ctrl+D"), self.uiList['main_tab'].widget(1), None, None, QtCore.Qt.WidgetWithChildrenShortcut)
self.hotkey['node_tree_search_clear'].activated.connect(self.node_tree_search_clear_action)